NuvoH2O CitraCharge Hard Water Cleaner Packs — Removes Lime Scale, Calcium & Hard Water Stains galvanic probe maintenance kit Professional GLP Accuracy: Good Laboratory

Professional GLP Accuracy: Good Laboratory Practice (GLP) feature ensures lab-grade precision

The 20" x 4

Rinse & Continue: Rinse the electrode with distilled water before proceeding to additional calibration points (pH 4

drinking water quality checks

5V AA Alkaline batteries (3 pcs

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